Michellamine b

6,8-Isoquinolinediol, 5,5'-(1,1'-dihydroxy-8,8'-dimethoxy-6,6'-dimethyl(2,2'-binaphthalene)-4,4'-diyl)bis(1,2,3,4-tetrahydro-1,3-dimethyl-, (1R,1'R,3R,3'R,5R,5'S)-

5-[3-[4-(6,8-dihydroxy-1,3-dimethyl-1,2,3,4-tetrahydroisoquinolin-5-yl)-1-hydroxy-8-methoxy-6-methyl-naphthalen-2-yl]-4-hydroxy-5-methoxy-7-methyl-naphthalen-1-yl]-1,3-dimethyl-1,2,3,4-tetrahydroisoquinoline-6,8-diol